Water sample collecting device

Abstract

The utility model discloses a water sample collecting device which comprises a water tank, a silo and a sealing cover, a tank mouth is arranged on the water tank, the tank mouth is connected with the sealing cover, one end of the silo is connected with the water tank, a pull rope A is arranged on the other side of the silo, the sealing cover is arranged in the silo, and a pull rope B is arranged at one end of the sealing cover. According to the utility model, the water tank is used for collecting water samples, and the silo and the sealing cover are arranged to open and close the tank mouth. The depth of the collected water sample can be freely selected, so that the target water sample is more representative; the utility model also has the characteristics of strong practicability, simple structure and convenience in operation.

Description

Technical Field

[0001] This utility model belongs to the field of water sample collection technology, and in particular relates to a water sample collection device. Background Technology

[0002] Water sampling devices are commonly used sampling tools in many engineering fields, especially in environmental engineering where they are crucial for fieldwork. Because water of varying depths can easily enter the sampling device during retrieval and lifting, the inlet must be closed before lifting to prevent contamination from shallow water and ensure sampling accuracy. Given the complex environmental conditions in the field, a user-friendly, precise sampling device capable of handling water samples at different depths is needed.

[0003] Patent document CN210953476U discloses a water sampling device, including an outer cylinder, an inner cylinder, and a traction rope. A first cover is rotatably connected to the outer cylinder, with an inlet and outlet in the middle of the first cover. A second cover is fixedly connected to the inlet and outlet, and a filter screen is fixedly connected to the second cover. The inner cylinder opens upward and slides within the outer cylinder along the centerline of the outer cylinder. One end of the traction rope is fixedly connected to the bottom of the inner cylinder. A support rod is provided inside the inner cylinder, with its bottom fixedly connected to the bottom of the inner cylinder and its top fixedly connected to a third cover. A water passage gap is left between the third cover and the inner wall of the inner cylinder. The device also includes a first power component and a second power component. However, this sampling device cannot seal the inlet before collection and retrieval, making the collected samples easily contaminated by shallow water. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a water sample collection device.

[0005] This utility model is achieved through the following technical solution.

[0006] This utility model provides a water sample collection device, including a water tank, a silo, and a cap. The water tank is provided with a spout, which is connected to the cap. One end of the silo is connected to the water tank, and a pull rope A is provided on the other side of the silo. The cap is placed inside the silo, and a pull rope B is provided at one end of the cap.

[0007] Preferably, the water tank is provided with a counterweight and an external thread, and the water tank is connected to the silo threadedly through the external thread.

[0008] Preferably, one end of the silo is provided with an opening, and the opening is provided with an internal thread, and the silo is threadedly connected to the water tank through the internal thread.

[0009] Preferably, a water inlet is provided on one side of the silo, and a pull ring A is provided on the silo, with the silo connected to a pull rope A via the pull ring A.

[0010] Preferably, a retaining pin is provided on the inner wall of the silo.

[0011] Preferably, the silo is provided with through holes.

[0012] Preferably, the cover is provided with a pull ring B, and the cover is connected to a pull cord B through the pull ring B.

[0013] Preferably, the cover is provided with a slot.

[0014] The beneficial effects of this utility model are as follows:

[0015] This invention uses a water tank for water sample collection, with the silo and cap acting as an opening and closing mechanism for the tank spout. The sampling depth can be freely selected by adjusting the length of the pull rope, making the target water sample more representative. This invention also features strong practicality, simple structure, and convenient operation. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the water tank of this utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the silo of this utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the cap of this utility model;

[0020] In the diagram: 1-Water tank, 11-Spiral, 12-Counterweight, 13-External thread, 2-Silo, 21-Pull rope A, 22-Opening, 23-Internal thread, 24-Inlet, 25-Pull ring A, 26-Stop pin, 27-Through hole, 3-Cap, 31-Pull rope B, 32-Pull ring B, 33-Slot. Detailed Implementation

[0021] The technical solution of this utility model is further described below, but the scope of protection is not limited to what is described.

[0022] Example:

[0023] like Figures 1 to 4As shown, a water sample collection device includes a water tank 1, a silo 2, and a cap 3. The water tank 1 has a spout 11 connected to the cap 3. One end of the silo 2 is connected to the water tank 1, and a pull rope A21 is attached to the other side of the silo 2. The cap 3 is located inside the silo 2, and a pull rope B31 is attached to one end of the cap 3. The spout 11 is shaped to fit a slot 33. The slot 33 has a slightly flared opening and a cylindrical bottom. The outer diameter of the spout 11 is smaller than the diameter of the slot 33, facilitating insertion. The water tank 1, silo 2, and cap 3 are all constructed of steel.

[0024] The water tank 1 is equipped with a counterweight 12 and an external thread 13, and the water tank 1 is threadedly connected to the silo 2 via the external thread 13. The counterweight 12 can be easily submerged to the bottom of the water when the device is in use.

[0025] The silo 2 has an opening 22 at one end, and an internal thread 23 is provided at the opening 22. The silo 2 is threadedly connected to the water tank 1 through the internal thread 23.

[0026] A water inlet 24 is provided on one side of the silo 2, and a pull ring A25 is provided on the silo 2. The pull ring A25 is welded to the silo 2, and the silo 2 is connected to the pull rope A21 through the pull ring A25.

[0027] The inner wall of the silo 2 is provided with a stop pin 26. The stop pin 26 is located on the side of the internal thread 23 away from the opening 22. Several stop pins 26 can be distributed around the inner wall of the silo 2.

[0028] A through hole 27 is provided on the silo 2. The through hole 27 is located at the end of the silo 2 away from the opening 22. The pull rope B31 can pass through the through hole 27 through the silo 2.

[0029] The cover 3 is equipped with a pull ring B32, which is welded to the cover 3. The cover 3 is connected to the pull rope B31 via the pull ring B32. Both the pull rope A21 and the pull rope B31 are marked with scales to determine the depth of the sampling device in the water.

[0030] The cap 3 is provided with a slot 33, and the nozzle 11 can be inserted into the slot 33 for sliding connection, and the cap 3 seals the nozzle 11. The outer diameter of the cap 3 is smaller than the inner diameter of the silo at point 2.

[0031] When using the device, immerse it in water and loosen pull ropes A21 and B31 to allow it to sink. Once the device has reached the target depth, pull the scale on pull rope B31 until it aligns with that on pull rope A21. At this point, the cap 3 moves away from the water tank 1 and no longer contacts the nozzle 11, allowing water to enter the water tank 1 through the nozzle 11. Then, fix the position of pull rope B31 and record the depth reading. Let the water tank 1 stand for a few minutes until it is full of water sample, then release the cap 3 to allow it to sink and seal the nozzle 11. Finally, pull the device back using pull rope A21. During the pulling process, the cap 3 is held tightly against the water tank 1 by the resistance of the water, ensuring a seal on the nozzle 11. The operation is simple.

Claims

1. A water sample collection device, characterized in that: It includes a water tank (1), a silo (2) and a cover (3). The water tank (1) is provided with a spout (11) and the spout (11) is connected to the cover (3). One end of the silo (2) is connected to the water tank (1), and a pull rope A (21) is provided on the other side of the silo (2). The cover (3) is located inside the silo (2), and a pull rope B (31) is provided on one end of the cover (3).

2. The water sample collection device as described in claim 1, characterized in that: The water tank (1) is provided with a counterweight (12) and an external thread (13), and the water tank (1) is threadedly connected to the silo (2) through the external thread (13).

3. The water sample collection device as described in claim 1, characterized in that: The silo (2) has an opening (22) at one end, and an internal thread (23) is provided at the opening (22). The silo (2) is threadedly connected to the water tank (1) through the internal thread (23).

4. The water sample collection device as described in claim 1, characterized in that: A water inlet (24) is provided on one side of the silo (2), and a pull ring A (25) is provided on the silo (2). The silo (2) is connected to the pull rope A (21) through the pull ring A (25).

5. The water sample collection device as described in claim 1, characterized in that: The inner wall of the silo (2) is provided with a retaining pin (26).

6. The water sample collection device as described in claim 1, characterized in that: The silo (2) is provided with a through hole (27).

7. The water sample collection device as described in claim 1, characterized in that: A pull ring B (32) is provided on the cover (3), and the cover (3) is connected to the pull rope B (31) through the pull ring B (32).

8. The water sample collection device as described in claim 1, characterized in that: The cover (3) is provided with a slot (33).

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